Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in gas turbines, is of Axial flow type Radial flow type Centrifugal type None of the listed here Axial flow type Radial flow type Centrifugal type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 550 km/hr 1700 km/hr 1050 km/hr 2400 km/hr 550 km/hr 1700 km/hr 1050 km/hr 2400 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The gas in cooling chamber of a closed cycle gas turbine is cooled at Constant volume Constant temperature Constant pressure None of the listed here Constant volume Constant temperature Constant pressure None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Does not change Decreases First decrease and then increase Increases Does not change Decreases First decrease and then increase Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁² -v₂²)/g ANSWER DOWNLOAD EXAMIANS APP